Backend Engineer

Backend Engineer (all genders) at koppla GmbH

Requirements: This position requires EU work authorization. Language:
English – Fluent.

• 3-5 years of experience as a Fullstack Engineer.
• Solid engineering fundamentals, clean and efficient code, and eagerness to elevate skills.
• Flexibility to switch between front‑end and back‑end (50/50 to 80/20) as needed.
• Ability to balance technical trade‑offs and contribute to discussions about scalability, performance, and maintainability.
• Dedicated to building reliable, high‑quality systems that deliver a great user experience.
• Thrives in a fast‑paced startup environment, takes ownership of tasks, and stays proactive and pragmatic.
• Values reflected in our Culture Playbook.

• Collaborate closely with product managers, designers, and engineers to design and implement new features in a cross‑functional process.
• Build and maintain back‑end services and APIs (REST/GraphQL) and the user‑facing parts in Vue.
• Contribute to the overall architecture of the system.
• Learn from senior engineers and implement best practices for software development, infrastructure, and deployment.
• Participate in code reviews and provide constructive feedback to peers.

• Tax‑optimized equity grants.
• A culture focused on transparency, respect, ownership, collaboration, and well‑being.
• 28 days paid time off, flexible working hours, workation, and a hybrid setup.
• Dog‑friendly office in Berlin with free lunch, beverages, snacks, and a home office budget at start.
• Annual personal training budget of €1,500; company‑supported pension scheme (BAV, 30% contribution);
  Urban Sports Club membership; home office budget.

Koppla simplifies scheduling and planning for construction projects to build more efficiently, faster, and cheaper.

We are a motivated and ambitious team that aims to support the construction industry with efficient solutions. We already work with leading construction companies and deliver measurable results for our customers, such as multi‑month time savings through Koppla.

Our ambitions are supported by leading VCs (Earlybird, Newion) and angels from the industry, as we tackle a billion‑dollar problem in an under‑digitised and under‑served sector.

At Koppla, company culture is more than a buzzword: we live responsibility, open communication, and honest feedback. Team spirit stands above competition. We deliver high performance while ensuring people feel comfortable and have fun.

We offer genuine scope for decision-making, customer intimacy, a strong team, equity options, a reliable culture, short decision paths, and no bureaucracy – only progress.